Related Party Transactions - Narrative (Details) - USD ($)				9 Months Ended
	Sep. 28, 2015	Aug. 20, 2015	Jul. 02, 2015	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014	Nov. 30, 2014	Dec. 31, 2013
Related Party Transaction
Cash consideration				$ 16,974,000	$ 0
Repayments of related party debt				$ 3,250,000	0
Majority Shareholder
Related Party Transaction
Percent of outstanding shares held by related party			50.40%	50.40%
Voting rights percentage				50.40%
Number of shares sold in third party exchange			200,000
Travelzoo Asia Pacific
Related Party Transaction
Market transaction value		$ 22,600,000
Cash consideration		17,000,000
Business combination, consideration transferred, liabilities incurred		5,700,000
Travelzoo Asia Pacific Adjustments | Affiliated Entity
Related Party Transaction
Net Liabilities				$ 6,000,000		$ 4,000,000		$ 2,800,000
Loan Issued to Asia Pacific | Majority Shareholder
Related Party Transaction
Related party debt				$ 2,200,000.0			$ 1,000,000.0
Stated interest rate (percentage)				10.00%			8.00%
Repayments of related party debt				$ 3,300,000
Repayments of related party debt, interest				128,000
Interest Payable				84,000	0
Travelzoo Europe Promissory Note | Majority Shareholder
Related Party Transaction
Related party debt		$ 5,700,000.0
Stated interest rate (percentage)		7.00%
Term (in years)		3 years
Interest Payable				$ 166,000	$ 0
Stock Options Granted | Global Chief Executive Officer
Related Party Transaction
Employee options granted to purchase shares of common stock (in shares)	400,000